EP0278745A3
(en )
1988-10-19
Process for the treatment of waste
GB2185970B
(en )
1990-03-21
Process for the gasification of sewage sludge
ZA859825B
(en )
1986-09-24
Apparatus and process for purification of styrol-contaminated effluent
IL71754A0
(en )
1984-09-30
Process of purification of dextranesaccharase
EP0164704A3
(en )
1987-01-14
Process for the purification of riboflavin
GB8814455D0
(en )
1988-07-20
Process & apparatus for purification of water
GB2206341B
(en )
1990-11-21
Treatment of organically-based waste matter
GB2182920B
(en )
1989-07-12
Primary sewage sludge treatment process
CS557887A1
(en )
1988-09-16
Process for the purification of waste waters containing anionactive tenzides
GB2207127B
(en )
1991-01-23
Process for biological purification of waste waters containing methanol
GB8707629D0
(en )
1987-05-07
Purification of effluents & treatment of sludge
DE3560518D1
(en )
1987-10-01
Plant for the treatment of road waste waters
GB2187181B
(en )
1990-05-23
Purification of sewage
GB8705158D0
(en )
1987-04-08
Biological purification of sewage
GB2159140B
(en )
1988-05-18
Process for the purification of acid effluents
KR890006901Y1
(en )
1989-10-12
Device for purification of waste water
CS828087A1
(en )
1989-09-12
Method of waste waters purification or preliminary purification
IL78823A0
(en )
1986-09-30
Process for the purification of 5-pyrimidinecarboxamides
GB2153243B
(en )
1987-06-03
Activated sludge process
DE3360019D1
(en )
1985-01-17
Process and device for the biological purification of waste water containing phosphate
GB8813929D0
(en )
1988-07-20
Purification of waters
CS361488A1
(en )
1989-09-12
Method of waste waters purification
PL267482A1
(en )
1989-03-06
Device for biological purification of waste
PL264954A1
(en )
1988-10-27
Device for biological purification of waste
HU884252D0
(en )
1990-01-28
Electrolyzer for the purification of sewages